I have a ProComp 3" with an AAL. It has some miles on it and with the cap on, the rear end sags a little bit. What is the best way to pick up another inch or so in the back end? New AAL? Shackle flip? Replacement leaf pack?
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Replacement leaf pack would be the best option, new AAL would also fix the problem for a while, shackle flip kits would also do the trick for a while until your current leaf pack settles even more. I'd look in a Dakar leaf pack.